Double Glazed Windows
Double Glazed Windows Energy Efficiency Get the low-down on U values... What do we mean by U value? U value is a means of comparing the heat lost through various parts of a building. A part of a building with a U value of 4.0 W/m²K will lose twice as much heat as one with a U value of 2.0 W/m²K. The lower the U value the less heat you lose A single glazed window has a U value of 5.6, with double glazing this can be reduced to 1.8 - 1.9. Low E glass in double glazing reflects most of the heat back into the room. Eliminating Draughts Living with your windows is easy... Draughts through your windows can [...]Read more